DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The backside of the Sanyo ICC-804D calculator with an unusual finish and covered screws. | |
The Light-Emitting-Diode (LED) modules of the ICC-804D. | |
This ICC-804D was manufactured in Japan for the European market. | |
The backside shelf of the calculator housing accommodates 4 AA-sized NiCd batteries. | |
The
internal construction of the ICC-804D with three
printed circuit boards (PCBs): Main PCB, Display PCB, and Keyboard PCB. |
|
The Main PCB and Display PCB disconnected from the Keybaord assembly. | |
The SANYO LM8001
calculator chip manufactured in wk 31 year 1971. |
The SANYO LM8002
calculator chip manufactured in wk 32 year 1971. |
The SANYO LM8003
calculator chip manufactured in wk 34 year 1971. |
The SANYO LM8005
calculator chip manufactured in wk 32 year 1971. |
The Display PCB with eight LED modules and three discrete LED's. | |
The keyboard assembly with the discrete reed switches and the small magnets. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 7, 2010. No reprints without written permission.